package cn.edu.ren.mapper;

import cn.edu.ren.pojo.User;

import java.util.List;

/**
 * @PackageName: cn.edu.ren.mapper
 * @ClassName: IUserMapper
 * @Description:
 * @author: RZS
 * @date: 2021/5/19  23:36
 */
public interface IUserMapper {
    List<User> selectAll();
    void insert(User user);
    void updateByUsername(String username, Integer id);
    void deleteById(Integer id);
}
